Add raw_hid support to host driver (#25255)

quantum/raw_hid.c

@@ -0,0 +1,15 @@
+// Copyright 2025 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "raw_hid.h"
+#include "host.h"
+
+void raw_hid_send(uint8_t *data, uint8_t length) {
+    host_raw_hid_send(data, length);
+}
+
+__attribute__((weak)) void raw_hid_receive(uint8_t *data, uint8_t length) {
+    // Users should #include "raw_hid.h" in their own code
+    // and implement this function there. Leave this as weak linkage
+    // so users can opt to not handle data coming in.
+}